45405160720 has 20 divisors (see below), whose sum is σ = 105566998860. Its totient is φ = 18162064256.

The previous prime is 45405160687. The next prime is 45405160733. The reversal of 45405160720 is 2706150454.

It can be written as a sum of positive squares in 2 ways, for example, as 16221588496 + 29183572224 = 127364^2 + 170832^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283782175 + ... + 283782334.

It is an arithmetic number, because the mean of its divisors is an integer number (5278349943).

Almost surely, 2^45405160720 is an apocalyptic number.

45405160720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45405160720 is an abundant number, since it is smaller than the sum of its proper divisors (60161838140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45405160720 is a wasteful number, since it uses less digits than its factorization.

45405160720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567564522 (or 567564516 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 45405160720 in words is "forty-five billion, four hundred five million, one hundred sixty thousand, seven hundred twenty".